SOMEONE HELP ME PLEASE

Fifi

IM SORRY TMI BUT I BEEN HAVING THIS FOR TWO WEEKS NOW IM IRREGULAR BUT NEVER HAD TO DEAL WITH THIS I HAVE MAJOR CRAMPS LIKE PERIOD BUT STILL NONE WHEN I PUT A PILLOW UNDER MY STOMACH IT MAKES MY WHOLE BODY HURTS I KNOW ITS NOT A STD CAUSE I BEEN CHECK FOR THAT... can someone tell me what’s going on I had 1 positive pregnancy test(faint) then a negative one